2-4 p.m., Citron Bistro, 3535 S. Yosemit St., Denver, CO 80237, wine tasking and silent auction. Brought to you by the Denver Tech Center Optimists. $40 pre-sale, $45 at the door. Call Trish Merrill at 303-885-4288 for tickets. 2015 Poster-Flier SUMMER ON THE VINE